bisecting fixing commit since 7b6ae471e5415bc2bf4384a83ccb4c21de7824c0
building syzkaller on 29c3f20f99b6befe0395fe8e474b1e24240cac95
testing commit 7b6ae471e5415bc2bf4384a83ccb4c21de7824c0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5988f4234514afa725ad165bcc1a226ff36ef6524eb814d30e9c7c52ee589afd
run #0: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #1: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #2: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #5: crashed: INFO: rcu detected stall in batadv_purge_orig
run #6: crashed: INFO: rcu detected stall in ieee80211_iface_work
run #7: crashed: INFO: rcu detected stall in unix_dgram_sendmsg
run #8: crashed: INFO: rcu detected stall in net_rx_action
run #9: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #10: crashed: INFO: rcu detected stall in smp_call_function
run #11: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #12: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #13: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #14: crashed: INFO: rcu detected stall in __hrtimer_run_queues
run #15: crashed: INFO: rcu detected stall in neigh_periodic_work
run #16: crashed: INFO: rcu detected stall in __hrtimer_run_queues
run #17: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #18: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
run #19: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon
testing current HEAD d615b5416f8a1afeb82d13b238f8152c572d59c0
testing commit d615b5416f8a1afeb82d13b238f8152c572d59c0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 02050f150529a6982a6753863f9d59cf23fb9b5063f02276b5b066cda763e12a
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in gc_worker
run #2: crashed: unregister_netdevice: waiting for DEV to become free
run #3: crashed: INFO: rcu detected stall in gc_worker
run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor3093646178" "root@10.128.10.53:./syz-executor3093646178"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.53 port 22 timed out
lost connection

run #5: crashed: INFO: task hung in corrupted
run #6: crashed: INFO: rcu detected stall in gc_worker
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 28m44.813549197s (build: 12m17.900719495s, test: 15m31.378564969s)
the crash still happens on HEAD
commit msg: Merge tag 'f2fs-fix-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
crash: no output from test machine